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Martin,
On 10/4/15 7:40 PM, Martin Gainty wrote:
> by form you mean Struts 1.3 StrutsForm?
No, an S2 form. I'm sorry I wasn't specific, though it should have
been obvious since I mentioned I was reading "Struts /2/ in Action".
I'm just talking about an HTML <form>, not formal class called a Form
or anything like that.
> if your form class extends ActionForm then implement reset as seen
> here: public FooActionForm extends
> org.apache.struts.action.ActionForm { @Override public void
> reset(org.apache.struts.action.ActionMapping arg0,
> HttpServletRequest arg1) { arg1.getSession(false);.invalidate();
> //invalidate session } }
Logging the user out when they cancel a form seems rather drastic,
don't you think? Also, I don't think the above code does what you
think it does.
> <!-- struts.xml you define interceptor name and class for reset
> --> <interceptor name="actionForm-reset"
> class="org.apache.struts2.s1.ActionFormResetInterceptor"/> <include
> file="struts-integration.xml" />
Nope. If your examples are for Struts 1.3, there are no interceptors
available there.
> <!-- where struts-integration.xml would contain --> <struts>
> <package name="integration" extends="struts1-default"
> namespace="/integration"> <interceptor-stack name="integration">
> ....... <interceptor-ref name="actionForm-reset"/> <!-- pull
> interceptor for implementation of integration package --> ........
> </interceptor-stack> .... </struts>
>
> <!-- Struts2 ..a somewhat different approach using a specific
> class which will implement button functionality -->
> struts-validation.xml: <action name="cancelApplication"
> class="org.apache.struts2.showcase.validation.SubmitApplication"
> method="cancelApplication">
> <result>/validation/storeErrorsAcrossRequestCancel.jsp</result>
> </action>
>
> /validation/StoreErrorsAcrossRequestCancel.jsp: <html> <%@taglib
> prefix="s" uri="/struts-tags" %> <head><title>example of errors
> page</title></head> <body> <s:actionmessage/> <s:actionerror/>
> <s:fielderror /> <h1>Application Canceled</h1> <s:url var="url"
> value="/validation/storeErrorsAcrossRequestExample.jsp" /> <s:a
> href="%{#url}">Try Again</s:a> </body> </html>
>
> you can also shortcut Cancel in jsp with
> session.removeAttribute("fu");//clean out *all* session attribs
> session.invalidate(); //invalidate session
Yeah, none of that makes any sense.
What I've done in the meantime is a heavy-handed approach and written
my own interceptor:
public String intercept(ActionInvocation actionInvocation)
throws Exception
{
if(ActionContext.getContext().getParameters().containsKey(CANCEL_KEY
))
{
if(log.isDebugEnabled())
log.debug("Form contains " + CANCEL_KEY
+ " parameter; redirecting to "
+ CANCEL_FORWARD + " forward");
return CANCEL_FORWARD;
}
else
return actionInvocation.invoke();
}
- -chris
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